Cell Biology (CP8121) Experiment 2: Observing Mitosis and Meiosis on cell specimens (Formal report) Name: Wong Chung An Class: DMLS/FT/1B/02 Admin number: P1138687 Summary This experiment aims to observe mitosis and meiosis on cell specimens. It involves the modelling of the stages of meiosis and also the staining procedures to identify mitosis in onion root tip. There are two parts to the procedure of the experiment whereby the first is staining and observing mitosis in onion root tips and the
Premium Mitosis Cell cycle
Cell Biology (PCB 3023) Fall 2012 Review for Exam 1 Chapter 1 List the key commonalties and differences between prokaryotic and eukaryotic cells. Prokaryotic – no organelles; no nucleus; bacteria and Achaea; spherical‚ rodlike/corkscrew-shaped; cell wall; Eukaryotic – has nucleus; has organelles Commonalities – contain DNA that stores genetic information What is the main component of cellular membranes? What function(s) do membranes serve in cells? Made of phospholipids; defines
Premium Amino acid Carboxylic acid Enzyme
Rowe Biology 4 10-8-09 Biology Essay: Parts of a Cell Describe the fluid-mosaic model of a plasma membrane. Discuss the role of the membrane in the movement of materials through each of the following processes: a.) Active Transport b.) Passive Transport All living cells contain a plasma membrane‚ which acts a boundary for the cell. The plasma membrane regulates the cell’s chemical composition because it uses selective permeability to allow certain substances to enter or exit the cell more
Premium Cell membrane Membrane biology Signal transduction
tenets of cell theory? • Cells are the basic structural and physiological units of all living organisms. • Cells are both distinct entities and building blocks of more complex organisms. OR • All living organisms are composed of one or more cells‚ Cells are the basic units of structure and function in an organism‚ and Cells come only from the reproduction of existing cells. OR • All cells come from preexisting cells. •
Premium DNA Protein Cell
rate of reaction and the surface area. The larger the surface are‚ the faster the rate of reaction seems to be. However‚ although the grain with the largest surface area (the smallest grain) reached the highest point within the shortest amount of time‚ its end result was still lower then the medium sized grain. The explanation for this result is relatively easy. The rate of a chemical reaction can be increased by increasing the size of the surface area to volume ratio of the solid reactant. Cutting
Premium Chemical reaction Chemistry Reaction rate
In the article" From Stone Age To Phone Age "‚ author Barbara Ehrereich argues that all cell phones serve as a status symbol‚ thus presenting mankind ’s selfish attempt to "showboat" their level of importance. By publicly engaging in meaningless conversations individuals are able to obtain admirer ’s jealously; thus portraying that the on-lookers are lonely because of their absence of a cellular phone or lack of received calls. In fact since primal times it has been a tendency of humans to compete
Premium Mobile phone
Subject: Ratio Analysis of Volume Book Distributors Ltd for the Years 2010 And 2011 A. INTRODUCTION The report is based on the company Volume Book Distributors Ltd. Ratio analysis was calculated for Volume Book Distributors Ltd for both the years 2010 and 2011. The ratios comprised of profitability‚ asset utilization and financial stability ratios. The first question consists of Part A‚ which has the Ratio Calculations‚ and Part B which has the Analysis and Interpretation. B. LIMITATIONS
Premium Generally Accepted Accounting Principles Financial ratios Financial ratio
Syllabus Cambridge O Level Biology Syllabus code 5090 For examination in June and November 2011 Note for Exams Officers: Before making Final Entries‚ please check availability of the codes for the components and options in the E3 booklet (titled “Procedures for the Submission of Entries”) relevant to the exam session. Please note that component and option codes are subject to change. Contents Cambridge O Level Biology Syllabus code 5090 1. Introduction ............................
Premium Red blood cell General Certificate of Secondary Education University of Cambridge
Learning about Cells. First thing I want to show you is two beautiful pictures of a Cell. Imagine all of this is in something so small we cannot see it with our naked eyes. About 10‚000 average-sized human cells can fit on the head of a pin. There are a few exceptions‚ but the average cell is very tiny. Here are a few beautiful examples of a cell structure to kind of give you an idea of its beauty‚ and how they fit together. Plasma Membrane (cell membrane) First we are going to learn about
Premium Cell Organelle Eukaryote
which cells divide and create living creatures. Without meiosis we cannot have the process of mitosis‚ which is the process by which cells of tissue are created for living creatures. When meiosis occurs 4 daughter cells are created‚ while only 2 are created in mitosis. With the creation of 2 daughter cells the new cells will be similar to the parent cell‚ but will have differences‚ as there more parent cells involved. When mitosis occurs the daughter cells will be identical to the parent cell‚ since
Premium Gene Genetics Allele